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Finding the Fourth Proportional to 5,661.14, 8,492.16 and 2,152.83

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Solution

The fourth proportional to 5,661.14, 8,492.16 and 2,152.83 is: 3,229.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.14 : 8,492.16 = 2,152.83 : x
  2. Step 2: Convert to fraction form
    5,661.14/8,492.16 = 2,152.83/x
  3. Step 3: Cross multiply
    5,661.14x = 8,492.16 × 2,152.83
  4. Step 4: Simplify right side
    5,661.14x = 18,282,176.81
  5. Step 5: Solve for x
    x = 18,282,176.81/5,661.14
  6. Step 6: Final answer
    x = 3,229.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.